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  <title>Reads the currently executed file (a phar) and registers its manifest</title>
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  <div id="layout-content"><div id="phar.mapphar" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Phar::mapPhar</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8, PECL phar &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">Phar::mapPhar</span> &mdash; <span class="dc-title">Reads the currently executed file (a phar) and registers its manifest</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-phar.mapphar-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>Phar::mapPhar</strong></span>(<span class="methodparam"><span class="type">?</span><span class="type"><span class="type">string</span><span class="type"></span></span> <code class="parameter">$alias</code><span class="initializer"> = <strong><code>null</code></strong></span></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code><span class="initializer"> = 0</span></span>): <span class="type">bool</span></div>


  <p class="para rdfs-comment">
   This static method can only be used inside a Phar archive&#039;s loader stub
   in order to initialize the phar when it is directly executed, or when
   it is included in another script.
  </p>

 </div>

 <div class="refsect1 parameters" id="refsect1-phar.mapphar-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">alias</code></dt>

     <dd>

      <p class="para">
       The alias that can be used in <code class="literal">phar://</code> URLs to
       refer to this archive, rather than its full path.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">offset</code></dt>

     <dd>

      <p class="para">
       Unused variable, here for compatibility with PEAR&#039;s PHP_Archive.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-phar.mapphar-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>true</code></strong>， 或者在失败时返回 <strong><code>false</code></strong>。
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-phar.mapphar-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   <span class="classname"><a href="class.pharexception.html" class="classname">PharException</a></span> is thrown if not called directly within PHP execution,
   if no __HALT_COMPILER(); token is found in the current source file, or if
   the file cannot be opened for reading.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-phar.mapphar-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-744">
    <p><strong>示例 #1 A <span class="function"><strong>Phar::mapPhar()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     mapPhar should be used only inside a phar&#039;s loader stub.  Use
     loadPhar to load an external phar into memory.
    </p></div>
    <div class="example-contents"><p>
     Here is a sample Phar loader stub that uses mapPhar.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">__autoload</span><span style="color: #007700">(</span><span style="color: #0000BB">$class</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;include&nbsp;</span><span style="color: #DD0000">'phar://me.phar/'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'_'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'/'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$class</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">'.php'</span><span style="color: #007700">;<br />}<br />try&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">Phar</span><span style="color: #007700">::</span><span style="color: #0000BB">mapPhar</span><span style="color: #007700">(</span><span style="color: #DD0000">'me.phar'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;include&nbsp;</span><span style="color: #DD0000">'phar://me.phar/startup.php'</span><span style="color: #007700">;<br />}&nbsp;catch&nbsp;(</span><span style="color: #0000BB">PharException&nbsp;$e</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getMessage</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;die(</span><span style="color: #DD0000">'Cannot&nbsp;initialize&nbsp;Phar'</span><span style="color: #007700">);<br />}<br />__HALT_COMPILER();</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-phar.mapphar-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="phar.loadphar.html" class="function" rel="rdfs-seeAlso">Phar::loadPhar()</a> - Loads any phar archive with an alias</span></li>
   </ul>
  </p>
 </div>



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